Which function is used to clone an object in Underscore.js?
A). _.extend
B). _.clone
C). _.map
D). _.filter
What is the result of _.reduce([1, 2, 3], function(sum, num) { return sum + num; }, 0)?
A). 6
B). 5
C). 3
D). 2
Which function retrieves the minimum value in a list using Underscore.js?
A). _.min
B). _.max
C). _.reduce
D). _.filter
What does the _.each function do in Underscore.js?
A). Iterates over a list of elements
B). Creates a new array with transformed values
C). Filters values in a list
D). Reduces the list to a single value
How do you debounce a function in Underscore.js to limit the rate at which it can fire?
A). _.throttle
B). _.debounce
C). _.delay
D). _.once
How do you shuffle the elements of an array in Underscore.js?
A). _.each
B). _.shuffle
C). _.sample
D). _.random
How do you generate a random number within a range in Underscore.js?
A). _.random
B). _.range
C). _.shuffle
D). _.sample
How can you invoke a function a specified number of times in Underscore.js?
A). _.times
B). _.invoke
C). _.repeat
D). _.cycle
Which function is used to find unique elements in an array in Underscore.js?
A). _.first
B). _.last
C). _.uniq
D). _.filter
What is the result of _.map([1, 2, 3], function(num) { return num * 3; })?
A). [1, 2, 3]
B). [3, 6, 9]
C). [2, 4, 6]
D). [3, 6, 9, 12]